/*************************************************************************
	> File Name: head.h
	> Author: Angel Criss
	> Blog: blog.abbycin.tk 
	> Created Time: Sun 06 Jul 2014 02:44:50 PM CST
 ************************************************************************/
#include<stdio.h>
#include<unistd.h>
#include<errno.h>
#include<stdlib.h>
#include<sys/wait.h>
#include"print_wait.c"
#include<sys/types.h>
#include<signal.h>

void err(char *func)
{
    perror(func);
    _exit(errno);
}
